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While looking for the ledgendary Mapman, the last surviving member of the Nomad Star tribe, Lipumira finds him in Tokyo. His name is Gen Tokishima and he is the only one able to get one part of the starmap hidden within the Earth. After retrieving the piece, Gen must make a decision to follow Lipumira in her foolhardy search to find the remaining pieces of the starmap or stay on Earth. He makes his decision, only to find his girlfriend has beaten him to the spaceship as she wants to come as well. Unfortunately, as Gen learns the secret of the starmap, Lipumira's sisters have plans to stop her and will stop her at any cost.
"I am inside a spaceship...outside is deep space. The name of my spaceship-- Spaceship EE." It is 2038 CE. Noshi Hyoda is a 23-year-old office worker facing existential despair. Will she escape her world of apathetic oppression? Where can she go? What shall she do? Perhaps the answers lie in the stars beyond...perhaps not...
In the far future, there exists a vast region of space that is yet to be explored called the New Space. The levels of new discoveries and dangers are unknown. The Dian sisters, Reina and Rio, made a promise to each other that they will one day journey into New Space together. The two sisters were separated and Reina became a pilot of the commercial luxury cruise liner spaceship Folshion. Rio is a tomboy who seems to have no self consciousness that she is a girl and who finally finds her sister. Rio is allowed to stay on the Folshion granted she finds herself a role on the ship. Sisters united once again, begin dreaming about the adventure into the new territory.
The year is 2076, and the world is ready to launch its first manned space probe to Jupiter. Onboard is Kousei Amami, a friend of Yuuto's family, and personal hero to the boy, who dreams of following Kousei into space as an astronaut someday - even promising his friend that when he returns from his mission, Yuuta will surely follow his dream. But when a terrible accident occurs and the ship is seemingly lost in the depths of space, Yuuto decides that now more than ever, he will make his way into the astronaut program in hopes of someday traveling to Jupiter, in the hope that Kousei is still alive...